Which of the following does not require expenditure of energy?
A) accumulation of ions inside a cell
B) transport against a concentration gradient
C) flow of sucrose and other carbohydrates once inside the sieve tubes
D) the loading and unloading of carbohydrates from the sieve tubes
E) opening or closing stomata
Correct Answer:
Verified
Q18: Which of the following statements does not
Q19: Which of the following is not transported
Q20: On a short-term basis,water loss in plants
Q21: Most often,the largest gradient in water potential
Q22: Which of the following must occur in
Q24: The uneven distribution of an impermeable solute
Q25: Which of the following hormones increases when
Q26: A plant is exposed to a toxin
Q27: The pressure-flow hypothesis describes
A)how hormones move through
Q28: Mycorrhizal fungi interact with plants at the
A)stomata.
B)seed
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